https://learn.microsoft.com/en-us/dotnet/api/system.text.json.jsonwriteroptions.indented?view=net-9.0
JsonWriterOptions.Indented Property (System.Text.Json) | Microsoft Learn
Gets or sets a value that indicates whether the Utf8JsonWriter should format the JSON output, which includes indenting nested JSON tokens, adding new lines,...
property systemtextjsonmicrosoftlearn